محمدمحمد, and عبد اللهسهيل. “Selection of the Initial Value of the Time Series Generating the First-Order Self-Regression Model in Simulation ModeAnd Their Impact on the Accuracy of the Model”. Journal of Economics and Administrative Sciences 17, no. 62 (June 1, 2011): 237. Accessed December 2, 2019. http://jeasiq.uobaghdad.edu.iq/index.php/JEASIQ/article/view/1026.